kvm.h

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#ifndef __LINUX_KVM_H
#define __LINUX_KVM_H

/*
 * Userspace interface for /dev/kvm - kernel based virtual machine
 *
 * Note: you must update KVM_API_VERSION if you change this interface.
 */

#include <linux/types.h>
#include <linux/compiler.h>
#include <linux/ioctl.h>
#include <asm/kvm.h>

#define KVM_API_VERSION 12

/* *** Deprecated interfaces *** */

#define KVM_TRC_SHIFT           16

#define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
#define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1))

#define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
#define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
#define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)

#define KVM_TRC_HEAD_SIZE       12
#define KVM_TRC_CYCLE_SIZE      8
#define KVM_TRC_EXTRA_MAX       7

#define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
#define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
#define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
#define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
#define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
#define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
#define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
#define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
#define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
#define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
#define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
#define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
#define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
#define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
#define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
#define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
#define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
#define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
#define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
#define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
#define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
#define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
#define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
#define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)

struct kvm_user_trace_setup {
    __u32 buf_size;
    __u32 buf_nr;
};

#define __KVM_DEPRECATED_MAIN_W_0x06 \
    _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
#define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
#define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)

#define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)

struct kvm_breakpoint {
    __u32 enabled;
    __u32 padding;
    __u64 address;
};

struct kvm_debug_guest {
    __u32 enabled;
    __u32 pad;
    struct kvm_breakpoint breakpoints[4];
    __u32 singlestep;
};

#define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)

/* *** End of deprecated interfaces *** */


/* for KVM_CREATE_MEMORY_REGION */
struct kvm_memory_region {
    __u32 slot;
    __u32 flags;
    __u64 guest_phys_addr;
    __u64 memory_size; /* bytes */
};

/* for KVM_SET_USER_MEMORY_REGION */
struct kvm_userspace_memory_region {
    __u32 slot;
    __u32 flags;
    __u64 guest_phys_addr;
    __u64 memory_size; /* bytes */
    __u64 userspace_addr; /* start of the userspace allocated memory */
};

/*
 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
 * other bits are reserved for kvm internal use which are defined in
 * include/linux/kvm_host.h.
 */
#define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
#define KVM_MEM_READONLY    (1UL << 1)

/* for KVM_IRQ_LINE */
struct kvm_irq_level {
    /*
     * ACPI gsi notion of irq.
     * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
     * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
     */
    union {
        __u32 irq;
        __s32 status;
    };
    __u32 level;
};


struct kvm_irqchip {
    __u32 chip_id;
    __u32 pad;
        union {
        char dummy[512];  /* reserving space */
#ifdef __KVM_HAVE_PIT
        struct kvm_pic_state pic;
#endif
#ifdef __KVM_HAVE_IOAPIC
        struct kvm_ioapic_state ioapic;
#endif
    } chip;
};

/* for KVM_CREATE_PIT2 */
struct kvm_pit_config {
    __u32 flags;
    __u32 pad[15];
};

#define KVM_PIT_SPEAKER_DUMMY     1

#define KVM_EXIT_UNKNOWN          0
#define KVM_EXIT_EXCEPTION        1
#define KVM_EXIT_IO               2
#define KVM_EXIT_HYPERCALL        3
#define KVM_EXIT_DEBUG            4
#define KVM_EXIT_HLT              5
#define KVM_EXIT_MMIO             6
#define KVM_EXIT_IRQ_WINDOW_OPEN  7
#define KVM_EXIT_SHUTDOWN         8
#define KVM_EXIT_FAIL_ENTRY       9
#define KVM_EXIT_INTR             10
#define KVM_EXIT_SET_TPR          11
#define KVM_EXIT_TPR_ACCESS       12
#define KVM_EXIT_S390_SIEIC       13
#define KVM_EXIT_S390_RESET       14
#define KVM_EXIT_DCR              15
#define KVM_EXIT_NMI              16
#define KVM_EXIT_INTERNAL_ERROR   17
#define KVM_EXIT_OSI              18
#define KVM_EXIT_PAPR_HCALL   19
#define KVM_EXIT_S390_UCONTROL    20

/* For KVM_EXIT_INTERNAL_ERROR */
#define KVM_INTERNAL_ERROR_EMULATION 1
#define KVM_INTERNAL_ERROR_SIMUL_EX 2

/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
struct kvm_run {
    /* in */
    __u8 request_interrupt_window;
    __u8 padding1[7];

    /* out */
    __u32 exit_reason;
    __u8 ready_for_interrupt_injection;
    __u8 if_flag;
    __u8 padding2[2];

    /* in (pre_kvm_run), out (post_kvm_run) */
    __u64 cr8;
    __u64 apic_base;

#ifdef __KVM_S390
    /* the processor status word for s390 */
    __u64 psw_mask; /* psw upper half */
    __u64 psw_addr; /* psw lower half */
#endif
    union {
        /* KVM_EXIT_UNKNOWN */
        struct {
            __u64 hardware_exit_reason;
        } hw;
        /* KVM_EXIT_FAIL_ENTRY */
        struct {
            __u64 hardware_entry_failure_reason;
        } fail_entry;
        /* KVM_EXIT_EXCEPTION */
        struct {
            __u32 exception;
            __u32 error_code;
        } ex;
        /* KVM_EXIT_IO */
        struct {
#define KVM_EXIT_IO_IN  0
#define KVM_EXIT_IO_OUT 1
            __u8 direction;
            __u8 size; /* bytes */
            __u16 port;
            __u32 count;
            __u64 data_offset; /* relative to kvm_run start */
        } io;
        struct {
            struct kvm_debug_exit_arch arch;
        } debug;
        /* KVM_EXIT_MMIO */
        struct {
            __u64 phys_addr;
            __u8  data[8];
            __u32 len;
            __u8  is_write;
        } mmio;
        /* KVM_EXIT_HYPERCALL */
        struct {
            __u64 nr;
            __u64 args[6];
            __u64 ret;
            __u32 longmode;
            __u32 pad;
        } hypercall;
        /* KVM_EXIT_TPR_ACCESS */
        struct {
            __u64 rip;
            __u32 is_write;
            __u32 pad;
        } tpr_access;
        /* KVM_EXIT_S390_SIEIC */
        struct {
            __u8 icptcode;
            __u16 ipa;
            __u32 ipb;
        } s390_sieic;
        /* KVM_EXIT_S390_RESET */
#define KVM_S390_RESET_POR       1
#define KVM_S390_RESET_CLEAR     2
#define KVM_S390_RESET_SUBSYSTEM 4
#define KVM_S390_RESET_CPU_INIT  8
#define KVM_S390_RESET_IPL       16
        __u64 s390_reset_flags;
        /* KVM_EXIT_S390_UCONTROL */
        struct {
            __u64 trans_exc_code;
            __u32 pgm_code;
        } s390_ucontrol;
        /* KVM_EXIT_DCR */
        struct {
            __u32 dcrn;
            __u32 data;
            __u8  is_write;
        } dcr;
        struct {
            __u32 suberror;
            /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
            __u32 ndata;
            __u64 data[16];
        } internal;
        /* KVM_EXIT_OSI */
        struct {
            __u64 gprs[32];
        } osi;
        struct {
            __u64 nr;
            __u64 ret;
            __u64 args[9];
        } papr_hcall;
        /* Fix the size of the union. */
        char padding[256];
    };

    /*
     * shared registers between kvm and userspace.
     * kvm_valid_regs specifies the register classes set by the host
     * kvm_dirty_regs specified the register classes dirtied by userspace
     * struct kvm_sync_regs is architecture specific, as well as the
     * bits for kvm_valid_regs and kvm_dirty_regs
     */
    __u64 kvm_valid_regs;
    __u64 kvm_dirty_regs;
    union {
        struct kvm_sync_regs regs;
        char padding[1024];
    } s;
};

/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */

struct kvm_coalesced_mmio_zone {
    __u64 addr;
    __u32 size;
    __u32 pad;
};

struct kvm_coalesced_mmio {
    __u64 phys_addr;
    __u32 len;
    __u32 pad;
    __u8  data[8];
};

struct kvm_coalesced_mmio_ring {
    __u32 first, last;
    struct kvm_coalesced_mmio coalesced_mmio[0];
};

#define KVM_COALESCED_MMIO_MAX \
    ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
     sizeof(struct kvm_coalesced_mmio))

/* for KVM_TRANSLATE */
struct kvm_translation {
    /* in */
    __u64 linear_address;

    /* out */
    __u64 physical_address;
    __u8  valid;
    __u8  writeable;
    __u8  usermode;
    __u8  pad[5];
};

/* for KVM_INTERRUPT */
struct kvm_interrupt {
    /* in */
    __u32 irq;
};

/* for KVM_GET_DIRTY_LOG */
struct kvm_dirty_log {
    __u32 slot;
    __u32 padding1;
    union {
        void __user *dirty_bitmap; /* one bit per page */
        __u64 padding2;
    };
};

/* for KVM_SET_SIGNAL_MASK */
struct kvm_signal_mask {
    __u32 len;
    __u8  sigset[0];
};

/* for KVM_TPR_ACCESS_REPORTING */
struct kvm_tpr_access_ctl {
    __u32 enabled;
    __u32 flags;
    __u32 reserved[8];
};

/* for KVM_SET_VAPIC_ADDR */
struct kvm_vapic_addr {
    __u64 vapic_addr;
};

/* for KVM_SET_MPSTATE */

#define KVM_MP_STATE_RUNNABLE          0
#define KVM_MP_STATE_UNINITIALIZED     1
#define KVM_MP_STATE_INIT_RECEIVED     2
#define KVM_MP_STATE_HALTED            3
#define KVM_MP_STATE_SIPI_RECEIVED     4

struct kvm_mp_state {
    __u32 mp_state;
};

struct kvm_s390_psw {
    __u64 mask;
    __u64 addr;
};

/* valid values for type in kvm_s390_interrupt */
#define KVM_S390_SIGP_STOP      0xfffe0000u
#define KVM_S390_PROGRAM_INT        0xfffe0001u
#define KVM_S390_SIGP_SET_PREFIX    0xfffe0002u
#define KVM_S390_RESTART        0xfffe0003u
#define KVM_S390_INT_VIRTIO     0xffff2603u
#define KVM_S390_INT_SERVICE        0xffff2401u
#define KVM_S390_INT_EMERGENCY      0xffff1201u
#define KVM_S390_INT_EXTERNAL_CALL  0xffff1202u

struct kvm_s390_interrupt {
    __u32 type;
    __u32 parm;
    __u64 parm64;
};

/* for KVM_SET_GUEST_DEBUG */

#define KVM_GUESTDBG_ENABLE     0x00000001
#define KVM_GUESTDBG_SINGLESTEP     0x00000002

struct kvm_guest_debug {
    __u32 control;
    __u32 pad;
    struct kvm_guest_debug_arch arch;
};

enum {
    kvm_ioeventfd_flag_nr_datamatch,
    kvm_ioeventfd_flag_nr_pio,
    kvm_ioeventfd_flag_nr_deassign,
    kvm_ioeventfd_flag_nr_max,
};

#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
#define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
#define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)

#define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)

struct kvm_ioeventfd {
    __u64 datamatch;
    __u64 addr;        /* legal pio/mmio address */
    __u32 len;         /* 1, 2, 4, or 8 bytes    */
    __s32 fd;
    __u32 flags;
    __u8  pad[36];
};

/* for KVM_ENABLE_CAP */
struct kvm_enable_cap {
    /* in */
    __u32 cap;
    __u32 flags;
    __u64 args[4];
    __u8  pad[64];
};

/* for KVM_PPC_GET_PVINFO */
struct kvm_ppc_pvinfo {
    /* out */
    __u32 flags;
    __u32 hcall[4];
    __u8  pad[108];
};

/* for KVM_PPC_GET_SMMU_INFO */
#define KVM_PPC_PAGE_SIZES_MAX_SZ   8

struct kvm_ppc_one_page_size {
    __u32 page_shift;   /* Page shift (or 0) */
    __u32 pte_enc;      /* Encoding in the HPTE (>>12) */
};

struct kvm_ppc_one_seg_page_size {
    __u32 page_shift;   /* Base page shift of segment (or 0) */
    __u32 slb_enc;      /* SLB encoding for BookS */
    struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
};

#define KVM_PPC_PAGE_SIZES_REAL     0x00000001
#define KVM_PPC_1T_SEGMENTS     0x00000002

struct kvm_ppc_smmu_info {
    __u64 flags;
    __u32 slb_size;
    __u32 pad;
    struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
};

#define KVMIO 0xAE

/* machine type bits, to be used as argument to KVM_CREATE_VM */
#define KVM_VM_S390_UCONTROL    1

#define KVM_S390_SIE_PAGE_OFFSET 1

/*
 * ioctls for /dev/kvm fds:
 */
#define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
#define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
#define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)

#define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
/*
 * Check if a kvm extension is available.  Argument is extension number,
 * return is 1 (yes) or 0 (no, sorry).
 */
#define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
/*
 * Get size for mmap(vcpu_fd)
 */
#define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
#define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
#define KVM_TRACE_ENABLE          __KVM_DEPRECATED_MAIN_W_0x06
#define KVM_TRACE_PAUSE           __KVM_DEPRECATED_MAIN_0x07
#define KVM_TRACE_DISABLE         __KVM_DEPRECATED_MAIN_0x08

/*
 * Extension capability list.
 */
#define KVM_CAP_IRQCHIP   0
#define KVM_CAP_HLT   1
#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
#define KVM_CAP_USER_MEMORY 3
#define KVM_CAP_SET_TSS_ADDR 4
#define KVM_CAP_VAPIC 6
#define KVM_CAP_EXT_CPUID 7
#define KVM_CAP_CLOCKSOURCE 8
#define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
#define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
#define KVM_CAP_PIT 11
#define KVM_CAP_NOP_IO_DELAY 12
#define KVM_CAP_PV_MMU 13
#define KVM_CAP_MP_STATE 14
#define KVM_CAP_COALESCED_MMIO 15
#define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
#ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
#define KVM_CAP_DEVICE_ASSIGNMENT 17
#endif
#define KVM_CAP_IOMMU 18
#ifdef __KVM_HAVE_MSI
#define KVM_CAP_DEVICE_MSI 20
#endif
/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
#ifdef __KVM_HAVE_USER_NMI
#define KVM_CAP_USER_NMI 22
#endif
#ifdef __KVM_HAVE_GUEST_DEBUG
#define KVM_CAP_SET_GUEST_DEBUG 23
#endif
#ifdef __KVM_HAVE_PIT
#define KVM_CAP_REINJECT_CONTROL 24
#endif
#ifdef __KVM_HAVE_IOAPIC
#define KVM_CAP_IRQ_ROUTING 25
#endif
#define KVM_CAP_IRQ_INJECT_STATUS 26
#ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
#define KVM_CAP_DEVICE_DEASSIGNMENT 27
#endif
#ifdef __KVM_HAVE_MSIX
#define KVM_CAP_DEVICE_MSIX 28
#endif
#define KVM_CAP_ASSIGN_DEV_IRQ 29
/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
#ifdef __KVM_HAVE_MCE
#define KVM_CAP_MCE 31
#endif
#define KVM_CAP_IRQFD 32
#ifdef __KVM_HAVE_PIT
#define KVM_CAP_PIT2 33
#endif
#define KVM_CAP_SET_BOOT_CPU_ID 34
#ifdef __KVM_HAVE_PIT_STATE2
#define KVM_CAP_PIT_STATE2 35
#endif
#define KVM_CAP_IOEVENTFD 36
#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
#ifdef __KVM_HAVE_XEN_HVM
#define KVM_CAP_XEN_HVM 38
#endif
#define KVM_CAP_ADJUST_CLOCK 39
#define KVM_CAP_INTERNAL_ERROR_DATA 40
#ifdef __KVM_HAVE_VCPU_EVENTS
#define KVM_CAP_VCPU_EVENTS 41
#endif
#define KVM_CAP_S390_PSW 42
#define KVM_CAP_PPC_SEGSTATE 43
#define KVM_CAP_HYPERV 44
#define KVM_CAP_HYPERV_VAPIC 45
#define KVM_CAP_HYPERV_SPIN 46
#define KVM_CAP_PCI_SEGMENT 47
#define KVM_CAP_PPC_PAIRED_SINGLES 48
#define KVM_CAP_INTR_SHADOW 49
#ifdef __KVM_HAVE_DEBUGREGS
#define KVM_CAP_DEBUGREGS 50
#endif
#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
#define KVM_CAP_PPC_OSI 52
#define KVM_CAP_PPC_UNSET_IRQ 53
#define KVM_CAP_ENABLE_CAP 54
#ifdef __KVM_HAVE_XSAVE
#define KVM_CAP_XSAVE 55
#endif
#ifdef __KVM_HAVE_XCRS
#define KVM_CAP_XCRS 56
#endif
#define KVM_CAP_PPC_GET_PVINFO 57
#define KVM_CAP_PPC_IRQ_LEVEL 58
#define KVM_CAP_ASYNC_PF 59
#define KVM_CAP_TSC_CONTROL 60
#define KVM_CAP_GET_TSC_KHZ 61
#define KVM_CAP_PPC_BOOKE_SREGS 62
#define KVM_CAP_SPAPR_TCE 63
#define KVM_CAP_PPC_SMT 64
#define KVM_CAP_PPC_RMA 65
#define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
#define KVM_CAP_PPC_HIOR 67
#define KVM_CAP_PPC_PAPR 68
#define KVM_CAP_SW_TLB 69
#define KVM_CAP_ONE_REG 70
#define KVM_CAP_S390_GMAP 71
#define KVM_CAP_TSC_DEADLINE_TIMER 72
#define KVM_CAP_S390_UCONTROL 73
#define KVM_CAP_SYNC_REGS 74
#define KVM_CAP_PCI_2_3 75
#define KVM_CAP_KVMCLOCK_CTRL 76
#define KVM_CAP_SIGNAL_MSI 77
#define KVM_CAP_PPC_GET_SMMU_INFO 78
#define KVM_CAP_S390_COW 79
#define KVM_CAP_PPC_ALLOC_HTAB 80
#ifdef __KVM_HAVE_READONLY_MEM
#define KVM_CAP_READONLY_MEM 81
#endif
#define KVM_CAP_IRQFD_RESAMPLE 82

#ifdef KVM_CAP_IRQ_ROUTING

struct kvm_irq_routing_irqchip {
    __u32 irqchip;
    __u32 pin;
};

struct kvm_irq_routing_msi {
    __u32 address_lo;
    __u32 address_hi;
    __u32 data;
    __u32 pad;
};

/* gsi routing entry types */
#define KVM_IRQ_ROUTING_IRQCHIP 1
#define KVM_IRQ_ROUTING_MSI 2

struct kvm_irq_routing_entry {
    __u32 gsi;
    __u32 type;
    __u32 flags;
    __u32 pad;
    union {
        struct kvm_irq_routing_irqchip irqchip;
        struct kvm_irq_routing_msi msi;
        __u32 pad[8];
    } u;
};

struct kvm_irq_routing {
    __u32 nr;
    __u32 flags;
    struct kvm_irq_routing_entry entries[0];
};

#endif

#ifdef KVM_CAP_MCE
/* x86 MCE */
struct kvm_x86_mce {
    __u64 status;
    __u64 addr;
    __u64 misc;
    __u64 mcg_status;
    __u8 bank;
    __u8 pad1[7];
    __u64 pad2[3];
};
#endif

#ifdef KVM_CAP_XEN_HVM
struct kvm_xen_hvm_config {
    __u32 flags;
    __u32 msr;
    __u64 blob_addr_32;
    __u64 blob_addr_64;
    __u8 blob_size_32;
    __u8 blob_size_64;
    __u8 pad2[30];
};
#endif

#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
/*
 * Available with KVM_CAP_IRQFD_RESAMPLE
 *
 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
 * the irqfd to operate in resampling mode for level triggered interrupt
 * emlation.  See Documentation/virtual/kvm/api.txt.
 */
#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)

struct kvm_irqfd {
    __u32 fd;
    __u32 gsi;
    __u32 flags;
    __u32 resamplefd;
    __u8  pad[16];
};

struct kvm_clock_data {
    __u64 clock;
    __u32 flags;
    __u32 pad[9];
};

#define KVM_MMU_FSL_BOOKE_NOHV      0
#define KVM_MMU_FSL_BOOKE_HV        1

struct kvm_config_tlb {
    __u64 params;
    __u64 array;
    __u32 mmu_type;
    __u32 array_len;
};

struct kvm_dirty_tlb {
    __u64 bitmap;
    __u32 num_dirty;
};

/* Available with KVM_CAP_ONE_REG */

#define KVM_REG_ARCH_MASK   0xff00000000000000ULL
#define KVM_REG_GENERIC     0x0000000000000000ULL

/*
 * Architecture specific registers are to be defined in arch headers and
 * ORed with the arch identifier.
 */
#define KVM_REG_PPC     0x1000000000000000ULL
#define KVM_REG_X86     0x2000000000000000ULL
#define KVM_REG_IA64        0x3000000000000000ULL
#define KVM_REG_ARM     0x4000000000000000ULL
#define KVM_REG_S390        0x5000000000000000ULL

#define KVM_REG_SIZE_SHIFT  52
#define KVM_REG_SIZE_MASK   0x00f0000000000000ULL
#define KVM_REG_SIZE_U8     0x0000000000000000ULL
#define KVM_REG_SIZE_U16    0x0010000000000000ULL
#define KVM_REG_SIZE_U32    0x0020000000000000ULL
#define KVM_REG_SIZE_U64    0x0030000000000000ULL
#define KVM_REG_SIZE_U128   0x0040000000000000ULL
#define KVM_REG_SIZE_U256   0x0050000000000000ULL
#define KVM_REG_SIZE_U512   0x0060000000000000ULL
#define KVM_REG_SIZE_U1024  0x0070000000000000ULL

struct kvm_one_reg {
    __u64 id;
    __u64 addr;
};

struct kvm_msi {
    __u32 address_lo;
    __u32 address_hi;
    __u32 data;
    __u32 flags;
    __u8  pad[16];
};

/*
 * ioctls for VM fds
 */
#define KVM_SET_MEMORY_REGION     _IOW(KVMIO,  0x40, struct kvm_memory_region)
/*
 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
 * a vcpu fd.
 */
#define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
#define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
/* KVM_SET_MEMORY_ALIAS is obsolete: */
#define KVM_SET_MEMORY_ALIAS      _IOW(KVMIO,  0x43, struct kvm_memory_alias)
#define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
#define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)
#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
                    struct kvm_userspace_memory_region)
#define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)

/* enable ucontrol for s390 */
struct kvm_s390_ucas_mapping {
    __u64 user_addr;
    __u64 vcpu_addr;
    __u64 length;
};
#define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
#define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
#define KVM_S390_VCPU_FAULT  _IOW(KVMIO, 0x52, unsigned long)

/* Device model IOC */
#define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
#define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
#define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
#define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
#define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
#define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
#define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
#define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
#define KVM_REGISTER_COALESCED_MMIO \
            _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
#define KVM_UNREGISTER_COALESCED_MMIO \
            _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
#define KVM_ASSIGN_PCI_DEVICE     _IOR(KVMIO,  0x69, \
                       struct kvm_assigned_pci_dev)
#define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
#define KVM_ASSIGN_IRQ            __KVM_DEPRECATED_VM_R_0x70
#define KVM_ASSIGN_DEV_IRQ        _IOW(KVMIO,  0x70, struct kvm_assigned_irq)
#define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
#define KVM_DEASSIGN_PCI_DEVICE   _IOW(KVMIO,  0x72, \
                       struct kvm_assigned_pci_dev)
#define KVM_ASSIGN_SET_MSIX_NR    _IOW(KVMIO,  0x73, \
                       struct kvm_assigned_msix_nr)
#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO,  0x74, \
                       struct kvm_assigned_msix_entry)
#define KVM_DEASSIGN_DEV_IRQ      _IOW(KVMIO,  0x75, struct kvm_assigned_irq)
#define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
#define KVM_CREATE_PIT2       _IOW(KVMIO,  0x77, struct kvm_pit_config)
#define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
#define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
#define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
#define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
#define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
/* Available with KVM_CAP_PIT_STATE2 */
#define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
#define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
/* Available with KVM_CAP_PPC_GET_PVINFO */
#define KVM_PPC_GET_PVINFO    _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
/* Available with KVM_CAP_TSC_CONTROL */
#define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
#define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
/* Available with KVM_CAP_PCI_2_3 */
#define KVM_ASSIGN_SET_INTX_MASK  _IOW(KVMIO,  0xa4, \
                       struct kvm_assigned_pci_dev)
/* Available with KVM_CAP_SIGNAL_MSI */
#define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
#define KVM_PPC_GET_SMMU_INFO     _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
/* Available with KVM_CAP_PPC_ALLOC_HTAB */
#define KVM_PPC_ALLOCATE_HTAB     _IOWR(KVMIO, 0xa7, __u32)

/*
 * ioctls for vcpu fds
 */
#define KVM_RUN                   _IO(KVMIO,   0x80)
#define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
#define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
#define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
#define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
#define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
#define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
#define KVM_DEBUG_GUEST           __KVM_DEPRECATED_VCPU_W_0x87
#define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
#define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
#define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
#define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
#define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
#define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
#define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
#define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
#define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
#define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
/* Available with KVM_CAP_VAPIC */
#define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
/* Available with KVM_CAP_VAPIC */
#define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
/* valid for virtual machine (for floating interrupt)_and_ vcpu */
#define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
/* store status for s390 */
#define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
#define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
#define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
/* initial ipl psw for s390 */
#define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
/* initial reset for s390 */
#define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
#define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
#define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
/* Available with KVM_CAP_NMI */
#define KVM_NMI                   _IO(KVMIO,   0x9a)
/* Available with KVM_CAP_SET_GUEST_DEBUG */
#define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
/* MCE for x86 */
#define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
#define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
/* IA64 stack access */
#define KVM_IA64_VCPU_GET_STACK   _IOR(KVMIO,  0x9a, void *)
#define KVM_IA64_VCPU_SET_STACK   _IOW(KVMIO,  0x9b, void *)
/* Available with KVM_CAP_VCPU_EVENTS */
#define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
#define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
/* Available with KVM_CAP_DEBUGREGS */
#define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
#define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
#define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
/* Available with KVM_CAP_XSAVE */
#define KVM_GET_XSAVE         _IOR(KVMIO,  0xa4, struct kvm_xsave)
#define KVM_SET_XSAVE         _IOW(KVMIO,  0xa5, struct kvm_xsave)
/* Available with KVM_CAP_XCRS */
#define KVM_GET_XCRS          _IOR(KVMIO,  0xa6, struct kvm_xcrs)
#define KVM_SET_XCRS          _IOW(KVMIO,  0xa7, struct kvm_xcrs)
#define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
/* Available with KVM_CAP_RMA */
#define KVM_ALLOCATE_RMA      _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
/* Available with KVM_CAP_SW_TLB */
#define KVM_DIRTY_TLB         _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
/* Available with KVM_CAP_ONE_REG */
#define KVM_GET_ONE_REG       _IOW(KVMIO,  0xab, struct kvm_one_reg)
#define KVM_SET_ONE_REG       _IOW(KVMIO,  0xac, struct kvm_one_reg)
/* VM is being stopped by host */
#define KVM_KVMCLOCK_CTRL     _IO(KVMIO,   0xad)

#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
#define KVM_DEV_ASSIGN_PCI_2_3      (1 << 1)
#define KVM_DEV_ASSIGN_MASK_INTX    (1 << 2)

struct kvm_assigned_pci_dev {
    __u32 assigned_dev_id;
    __u32 busnr;
    __u32 devfn;
    __u32 flags;
    __u32 segnr;
    union {
        __u32 reserved[11];
    };
};

#define KVM_DEV_IRQ_HOST_INTX    (1 << 0)
#define KVM_DEV_IRQ_HOST_MSI     (1 << 1)
#define KVM_DEV_IRQ_HOST_MSIX    (1 << 2)

#define KVM_DEV_IRQ_GUEST_INTX   (1 << 8)
#define KVM_DEV_IRQ_GUEST_MSI    (1 << 9)
#define KVM_DEV_IRQ_GUEST_MSIX   (1 << 10)

#define KVM_DEV_IRQ_HOST_MASK    0x00ff
#define KVM_DEV_IRQ_GUEST_MASK   0xff00

struct kvm_assigned_irq {
    __u32 assigned_dev_id;
    __u32 host_irq; /* ignored (legacy field) */
    __u32 guest_irq;
    __u32 flags;
    union {
        __u32 reserved[12];
    };
};

struct kvm_assigned_msix_nr {
    __u32 assigned_dev_id;
    __u16 entry_nr;
    __u16 padding;
};

#define KVM_MAX_MSIX_PER_DEV        256
struct kvm_assigned_msix_entry {
    __u32 assigned_dev_id;
    __u32 gsi;
    __u16 entry; /* The index of entry in the MSI-X table */
    __u16 padding[3];
};

#endif /* __LINUX_KVM_H */